<@childChannel channels=channelList deep=0/>

<#macro childChannel channels deep>
<#list channels as c>
<option value="${c.id}"><#if deep gt 0><#list 1..deep as i>&nbsp; &nbsp;</#list>></#if>${c.name}</option>
<#if c.child?size gt 0>
	<@childChannel channels=c.child deep=deep+1/>
</#if>
</#list>
</#macro>